diff options
| author |   Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2014-05-19 13:59:52 -0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-05-22 14:57:15 -0400 |
| commit | e876f208af18b074f800656e4d1b99da75b2135f (patch) | |
| tree | daff9963d9fe03343b9dcac38d0dec07881d1db7 /include/net/tso.h | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nftables (diff) | |
| download | linux-dev-e876f208af18b074f800656e4d1b99da75b2135f.tar.xz linux-dev-e876f208af18b074f800656e4d1b99da75b2135f.zip | |
net: Add a software TSO helper API
Although the implementation probably needs a lot of work, this initial API
allows to implement software TSO in mvneta and mv643xx_eth drivers in a not
so intrusive way.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tso.h')
| -rw-r--r-- | include/net/tso.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/tso.h b/include/net/tso.h new file mode 100644 index 000000000000..47e5444f7d15 --- /dev/null +++ b/include/net/tso.h @@ -0,0 +1,20 @@ +#ifndef _TSO_H +#define _TSO_H + +#include <net/ip.h> + +struct tso_t { + int next_frag_idx; + void *data; + size_t size; + u16 ip_id; + u32 tcp_seq; +}; + +int tso_count_descs(struct sk_buff *skb); +void tso_build_hdr(struct sk_buff *skb, char *hdr, struct tso_t *tso, + int size, bool is_last); +void tso_build_data(struct sk_buff *skb, struct tso_t *tso, int size); +void tso_start(struct sk_buff *skb, struct tso_t *tso); + +#endif /* _TSO_H */ |